The meaning of alternatives in the analitical method of «Daodejing»

One of the main ideas presented in the initial parts of «Daodejing» (2 nd zhang) is that elaboration and introduction of any positive quality surely cause the appearance of its negative alternative. In order to escape this affect one must abstain from activity (non-deed), let the Heaven itself to take care about creation of optimal alternatives. The next part (3 rd zhang) gives an explanation how to gain this result in practice.